Home / 8,548.50-12,819.66-3,618.54

Finding the Fourth Proportional to 8,548.50, 12,819.66 and 3,618.54

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Solution

The fourth proportional to 8,548.50, 12,819.66 and 3,618.54 is: 5,426.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,548.50 : 12,819.66 = 3,618.54 : x
  2. Step 2: Convert to fraction form
    8,548.50/12,819.66 = 3,618.54/x
  3. Step 3: Cross multiply
    8,548.50x = 12,819.66 × 3,618.54
  4. Step 4: Simplify right side
    8,548.50x = 46,388,452.50
  5. Step 5: Solve for x
    x = 46,388,452.50/8,548.50
  6. Step 6: Final answer
    x = 5,426.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.